Gate-valve.



No. 838,479. f PATENTBD 1LT-:0.11, 190s.A T. TROMBLEB.

GATE-VALVE.

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GATE-VALVE Specification of Letters Patent.

Patented Dec. 11, 1906.

Application filed November 12,1904. Serial No. 232,500.

To (/.ZZ whom, t may concern:

Bc it known that 1, THEoDonE TROMBLEE, a citizen or" the United States,residing at Plattsburg, in the county of Clinton and State of N ew York,have invented new and useful Improvements in Gate Valves, of which thefollowing is a spcciiication.

My invention relates to gate-valves, and

more particularly as an improvement in covers for the same; and 1tconsists 1n the construction and arrangement of parts, as will behereinafter described, and particularly pointed out in the claim.

1n the accompanying drawings, Figure 1 is a side elevation, partly insection, of a valve embodying the invention. Fig. 2 is a verticallongitudinal section taken on the line 2 2 of Fig. 1. Fig. 3 is ahorizontal sectional plan taken on the line 3 3 of Fig. 1. Fig. 4 is aplan view with the operating-lever and cover removed. Fig. 5 is a detailview of the cover.'

Referring to the drawings, 1 designates a valve-casing having inlets andoutlets 2 and 3 and provided with coupling-ilanges 4, whereby the samemay be readily connected within a pipe or duct.

The lower vend of the stem 6 is provided with a cylindrical ring 6,mounted in a recess 62 in a head 63, formed on the periphery of thegate-valve 5, said recess and ring serving to form a swivel to give thevalve a movement to prevent binding of the same when contacting with aseat 7, formed between rings 7 in the casing. The gate-valve 5 is alsoprovided with peripheral cross-pieces 7 2, which serve as guides whencontacting with the seat 7 to close the same.

Pivoted, as at 8, to the casing 1 is a vertically-uprising lever 9,having pivoted to its upper end an operating-handle 10, which in turn ispivotally connected to the stem 6 by means of a head or section 11,threaded upon the upper end ofthe stem, said head havinga pair of spacedears which receive the handle 10 between them and through which extendsthe pivoting-bolt 12, there being applied to the end ofthe bolt alever-nut 13, which may be manipulatedlfor locking the handle againstmovement to thus prevent opening of the valve. v

Applied upon the casing 1 is a cover 14, having an upwardly-proj ectingscrew-threaded extension 14, provided with. a screwthreaded stuiling-box15 thereon, through both of which the stem plays, and provided with apair of oppositelyedisposed and reversely-slotted horizontal ears 16,adapted for the reception of fastening members or bolts 17, by means ofwhich the cover is secured in place, attention being directed to thefact that owing to the ears being reversely slotted the cover may, byloosening the bolts 17, be readily turned laterally on the top surfaceof the casing through the me dium of the extension and gasket. The coveris also rendered vertically movable on the stem by means of saidextension and gasket, whereby free access to the interior of the valvecasing is permitted for purposes ot' cleaning.

Having thus described the invention, what is claimed as new is- Agate-valve comprising the casing with a valve therein, a cover for thecasing provided with an upward extension having a bearing therein, astem projecting through the bearing of the extension and having itslower end swiveled to the valve, the cover being provided with earshaving open end slots reversely arranged on opposite sides thereof andextending outwardly therefrom, and means connected to the slots andcasing to permit of the cover having an adjustable movement on the stem,substantially as specified.

1n testimony whereof I affix my signature in presence of two witnesses.

THEODORE TROMBLEE.

Vitnesses:

FLORENCE A. TROMBLEE, WM. HowoRoFT.

